On April 1, at 2:54 p.m., a status update on the military culture page U.S Army W.T.F! moments alerted readers that shots had been fired on the Army's Fort Hood, near Killeen, Texas. Within five minutes, the update had been commented on more than 30 times, and as time went on posts continued to pour in as users wondered whether or not their lives were in danger. Over the next hour, the post was shared more than 400 times, and commented on extensively by members and visitors to the page — which has an audience of more than 466,000.

Four were fatally shot and one seriously injured in Killeen, Texas, on Sunday, Feb. 22. Army Spc. Ata-se Giffa, 30, is suspected of killing his wife Dawn Giffa and his neighbors; Lydia Farina, and Larry Guzman, before turning his weapon on himself. An unidentified woman, was critically injured and transported to the Baylor Scott and White Memorial Hospital in Temple in serious condition, according to USA Today.